# 简证旧版 vs 数字原创保护

简证旧版 and 数字原创保护 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 简证旧版 | 数字原创保护 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 59 MB | 32 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou Internet Notary Public Office](https://appshunter.io/developer/1471308321) | [四川数字认证中心](https://appshunter.io/developer/1457670420) |

## What reviewers say

### 简证旧版

[App page](https://appshunter.io/ios/app/id1551918199)

**In-app purchases:** none


### 数字原创保护

[App page](https://appshunter.io/ios/app/id1556205305)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 简证旧版 free?

简证旧版 is free to download, with no in-app purchases.

### Is 数字原创保护 free?

数字原创保护 is free to download, with no in-app purchases.

### Do 简证旧版 or 数字原创保护 have ads?

Neither 简证旧版 nor 数字原创保护 shows ads.

### Which is updated more often, 简证旧版 or 数字原创保护?

简证旧版 ships an update every 4 months, and 数字原创保护 every 4 months. Most recently, 简证旧版 was updated on October 6, 2026 and 数字原创保护 on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*